ATMI INC

CUSIP: 00207R101 Class: COM

RGM Capital, LLC's Holding History (CIK: 0001323953)

Note: Option positions (PUT/CALL) are excluded.

Q4 2013
Shares 1,442,290 Value ($000) $43,572 Avg Close — Range —
Q3 2013
Shares 1,191,709 Value ($000) $31,604 Avg Close — Range —
Q2 2013
Shares 668,259 Value ($000) $15,805 Avg Close — Range —